Mini drone quadcopter applications selfie toy outdoor indoor type of model rtf ready to fly rc function tapfly protection obstacle detection return home positioning glonass gps flight time 16 min maximum speed 50 kmh climb rate 3 ms descent rate 3 ms max altitude 4 000 m connector usb lighting led included in delivery model propeller charger micro usb cable manual weight 300 g length 143 mm width 143 mm height 55 mm diameter 1